Fix: rename variables to improve readability.

Author: aladdin-add

lib/rules/no-identical-tests.js

@@ -36,33 +36,33 @@ module.exports = {
      *compare two test cases despite of properties order.
      *@returns {boolean} if eq, return true, else return false.
     */
-    function eq (ta, tb) {
-      if (ta.type !== tb.type) {
+    function eq (testA, testB) {
+      if (testA.type !== testB.type) {
         return false;
       }
 
-      if (ta.type !== 'ObjectExpression') {
-        return sourceCode.getText(ta) === sourceCode.getText(tb);
+      if (testA.type !== 'ObjectExpression') {
+        return sourceCode.getText(testA) === sourceCode.getText(testB);
       }
 
-      const pa = ta.properties || [];
-      const pb = tb.properties || [];
+      const propertiesA = testA.properties || [];
+      const propertiesB = testB.properties || [];
 
       // if properties length not eq; return false;
-      if (pa.length !== pb.length) {
+      if (propertiesA.length !== propertiesB.length) {
         return false;
       }
 
       // convert array to object
-      const paObj = Object.create(null);
-      pa.forEach(item => {
+      const propertiesSetA = new Set();
+      propertiesA.forEach(item => {
         const code = sourceCode.getText(item);
-        paObj[code] = true;
+        propertiesSetA.add(code);
       });
 
-      for (let i = 0; i < pb.length; i++) {
-        const code = sourceCode.getText(pb[i]);
-        if (!paObj[code]) {
+      for (let i = 0; i < propertiesB.length; i++) {
+        const code = sourceCode.getText(propertiesB[i]);
+        if (!propertiesSetA.has(code)) {
           return false;
         }
       }